On Fri, Aug 23, 2024 at 11:43:06AM +0800, Ye Zhang wrote: > Prevent overflow issues when performing debounce-related calculations. ... > - max_debounce = (GENMASK(23, 0) + 1) * 2 * 1000000 / freq; > + div = (u64)(GENMASK(23, 0) + 1) * 2 * 1000000; You probably want to use HZ_PER_MHZ from units.h or so? -- With Best Regards, Andy Shevchenko
Re: [PATCH v2] gpio: rockchip: resolve overflow issues
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- Subject: Re: [PATCH v2] gpio: rockchip: resolve overflow issues
- From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
- Date: Fri, 23 Aug 2024 17:48:03 +0300
- In-reply-to: <20240823034314.62305-4-ye.zhang@rock-chips.com>
- Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
- References: <20240823034314.62305-1-ye.zhang@rock-chips.com> <20240823034314.62305-4-ye.zhang@rock-chips.com>
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- [PATCH v2] gpio: rockchip: Update the GPIO driver
- From: Ye Zhang
- [PATCH v2] gpio: rockchip: resolve overflow issues
- From: Ye Zhang
- [PATCH v2] gpio: rockchip: Update the GPIO driver
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